consulate and u.s. base in libya that killed four americans including u.s. ambassador and bay area native chris stevens. nbc news confirmed that petraeus conducted his own investigation on the ground in libya and even though the acting director now of the cia will likely testify this week before congress, senator feinstein and others did not rule out the possible that congress will compel petraeus to testify at a later date. >> i don't see how in the world you can find out what happened in benghazi before, during and after the attack if general petraeus doesn't testify. >> the congressional meeting is scheduled for thursday. . president obama observed veteran's day at arlington national cemetery this morning. he laid a wreath at the tomb of the unknowns. after a moment of silence the president spoke at a remembrance ceremony. they say it was previously known as armistice day to mark the cease fire that ended world war i. then in 1954 congress changed it to veterans day to honor all u.s. military personnel. nearly 2,000 people gathered to mark veterans day. i